Quadrupolaufspaltung und Isomerieverschiebung der 14,4 keV γ-Linie von Fe57 in metall-organischen Eisenverbindungen
I. Ferrocen und Ferriciniumkation
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Abstract
The Mößbauer absorption of the 14.4 keVγ-ray of Fe57 was investigated in Ferrocene, Fe(C5H5)2, and in a Ferriciniumcation [Fe(C H5)2]BF4. The resonance absorption spectra reveal a quadrupole splitting and an isomeric shift of the 14.4 keV level in both compounds. The data give some evidence of the occupation of the molecular orbits formed in these complexes.
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© Springer-Verlag 1962